Home / 23,615.72-35,421.16-12,510.64

Finding the Fourth Proportional to 23,615.72, 35,421.16 and 12,510.64

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Solution

The fourth proportional to 23,615.72, 35,421.16 and 12,510.64 is: 18,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,615.72 : 35,421.16 = 12,510.64 : x
  2. Step 2: Convert to fraction form
    23,615.72/35,421.16 = 12,510.64/x
  3. Step 3: Cross multiply
    23,615.72x = 35,421.16 × 12,510.64
  4. Step 4: Simplify right side
    23,615.72x = 443,141,381.14
  5. Step 5: Solve for x
    x = 443,141,381.14/23,615.72
  6. Step 6: Final answer
    x = 18,764.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.